docker-compose.yml

version: '3'
services:

  db:
    restart: always
    image: postgres:9.6-alpine
    environment:
      POSTGRES_HOST_AUTH_METHOD: trust
    networks:
      - internal_network
    healthcheck:
      test: ["CMD", "pg_isready", "-U", "postgres"]
    volumes:
      - postgresql_data:/var/lib/postgresql/data

  redis:
    restart: always
    image: redis:5.0-alpine
    networks:
      - internal_network
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
    volumes:
      - redis_data:/data

  web:
    restart: always
    build: .
    image: mastodon-twitter-poster
    env_file: .env
    networks:
      - internal_network
      - external_network
    ports:
      - "1081:3000"
    depends_on:
      - db

  sidekiq:
    restart: always
    build: .
    image: mastodon-twitter-poster
    env_file: .env
    command: bundle exec sidekiq -c 5 -q default
    networks:
      - internal_network
      - external_network
    depends_on:
      - db
      - redis

volumes:
  postgresql_data:
  redis_data:

networks:
  external_network:
  internal_network:
    internal: true